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- Which of the following are primary pollutants?Option: 1 COOption: 2 <img alt="NO_x" src="/l
Which of the following are primary pollutants?
Option: 1
CO
Option: 2
Option: 3
Option: 4
All of these
Answers (1)
As we learnt
Primary pollutant -
Directly injected into the environment
- wherein
Carbon monoxide, oxides of nitrogen, sulfur oxides, particulate matter.
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